Where can i get the latest opengl headers and libraries??

I must be extremely idiotic for i cannot find somewhere to download the lastest opengl headers and libraries…
I also need to find the glext.h

please tell me where…

I guess you mean for windows:
Should be updated soon…(?)

SGI’s OpenGL Extensions Header: http://oss.sgi.com/projects/ogl-sample/ABI/glext.h